Merge tag 'kvm-s390-master-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: fixup and missing stat

1. A fixup for a bug that was introduced in 4.7-rc1 if userspace uses
   the cpu model ioctls
2. Add the missing kvm stat for pei events